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ease}.land__cta:hover:before{left:130%}.land__fig{margin:0;position:relative}.land__glow{position:absolute;top:-12%;right:-12%;bottom:-8%;left:-12%;z-index:0;background:radial-gradient(circle at 50% 40%,var(--ring),transparent 70%);filter:blur(30px);opacity:.55;animation:glow 6s ease-in-out infinite alternate}@keyframes glow{0%{transform:scale(.94) translateY(6px);opacity:.4}to{transform:scale(1.05) translateY(-4px);opacity:.7}}.land__img{position:relative;z-index:1;width:100%;display:block;border-radius:22px;border:1px solid var(--line-2);box-shadow:var(--shadow-lg);cursor:zoom-in;animation:floaty 7s ease-in-out infinite alternate;transition:transform .35s cubic-bezier(.16,1,.3,1);background:var(--surface)}.land__img:hover{transform:scale(1.015)}@keyframes floaty{0%{transform:translateY(0)}to{transform:translateY(-8px)}}.land__cap{position:relative;z-index:1;margin:12px 0 0;text-align:center;font-size:12.5px;color:var(--muted);letter-spacing:.02em}.land__foot{position:relative;z-index:1;margin-top:auto;padding:18px 40px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;background:color-mix(in srgb,var(--surface) 40%,transparent)}.btn-top{position:fixed;right:22px;bottom:22px;z-index:85;width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--grad);color:#fff;border:0;cursor:pointer;box-shadow:0 12px 28px -8px color-mix(in srgb,var(--accent) 60%,transparent);opacity:0;pointer-events:none;transform:translateY(16px);transition:opacity .3s ease,transform .3s cubic-bezier(.34,1.56,.64,1)}.btn-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}.btn-top:hover{transform:translateY(-3px)}.btn-top svg{width:18px;height:18px}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;align-items:center;justify-content:center;background:#050e0ceb;backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);opacity:0;pointer-events:none;transition:opacity .3s ease}.lightbox.open{opacity:1;pointer-events:auto}.lightbox img{max-width:min(92vw,1200px);max-height:86vh;border-radius:16px;box-shadow:0 40px 120px -20px #000000b3;transform:scale(.94);transition:transform .34s cubic-bezier(.16,1,.3,1)}.lightbox.open img{transform:scale(1);animation:zoompop .4s cubic-bezier(.16,1,.3,1)}@keyframes zoompop{0%{transform:scale(.9)}to{transform:scale(1)}}.lightbox .lb-cap{position:absolute;bottom:24px;left:0;right:0;text-align:center;color:#ffffffbf;font-size:14px}.lightbox .lb-x{position:absolute;top:18px;right:18px;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:#ffffff14;color:#fff;font-size:20px;cursor:pointer;transition:background .2s ease,transform .2s ease}.lightbox .lb-x:hover{background:#ffffff2e;transform:rotate(90deg)}[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}[data-reveal].in{opacity:1;transform:none}@media (max-width: 1024px){.search-box{width:200px}}@media (max-width: 900px){.sidebar{position:fixed;left:0;top:var(--header-h);bottom:0;width:280px;transform:translate(-100%);transition:transform .28s cubic-bezier(.16,1,.3,1);z-index:70;box-shadow:var(--shadow-lg);background:color-mix(in srgb,var(--surface) 92%,transparent)}.sidebar.open{transform:none}.content{padding:24px 20px 70px}.search-box{display:none}.search-results{position:fixed;left:12px;right:12px;top:calc(var(--header-h) + 8px);width:auto}.land-hero{padding:28px 20px 56px}.land-grid{grid-template-columns:1fr;gap:40px}.land__foot{padding:18px 22px;flex-direction:column;align-items:center;text-align:center}.page-title{font-size:26px}.pager{flex-direction:column}}@media print{.page-header,.sidebar,.pager,.toc,.search-wrap,.btn-top,.reading-progress,.lightbox,.aurora,.land__glow{display:none!important}body{background:#fff;color:#000;font-size:12px}.layout{display:block}.content{max-width:none;padding:0}a{color:inherit}.callout{border:1px solid #999;background:#fff;break-inside:avoid}article h2{break-after:avoid}article th{background:#eee!important;color:#000!important;-webkit-print-color-adjust:exact}.land__title{-webkit-text-fill-color:#000;background:none;color:#000;animation:none}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:1ms!important;animation-iteration-count:1!important;transition-duration:1ms!important}[data-reveal]{opacity:1;transform:none}}